While I was standing__the window,I saw several boys running_
While i was standing _____ the window,i saw several boys run
While I was standing _____the window.I saw several boys runn
初三英语填空 介词while i was stading _____ the window, i saw several
有一些不懂想询问下.1.While i was standing __the window,I saw several
英语关联词填空 高一I was standing by window, ( ) I saw an old lady hi
when I was walking past the window,I saw him__my Ireally got
While I was walking down the street,I saw a cat in the tree
While i was drawing,I saw some people ___by the river. A sit
完型填空 Last summer,while I was waiting to go to college,I saw
was,while,walking,I,saw,to,I,a,in,cat,school,a,tree(.)连词成句
大学英语~阅读理解 While I was waiting to enter university,I saw adve
状语从句I saw a UFO while i was walking down the street yesterda